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Preliminary
8-42
RF2469
Rev A5 010717
8
Evaluation Board Schematic
(RF=2140MHz, IF=190MHz)
(Download Bill of Materials from www.rfmd.com.)
Logic
Control
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C26
330 pF
C27
0.5 pF
VCC1
C25
DNI
R5
1000
Ω
ENABLE
VCC1
C24
DNI
C23
DNI
C12
5pF
L2
15 nH
C11
DNI
C10
DNI
VCC1
C13
DNI
L3
10 nH
R3
0
Ω
R4
4.7
k
Ω
C14
5pF
C18
5pF
C19
7pF
L5
120 nH
VCC2
C17
10 pF
C16
10 nF
C21
DNI
C20
DNI
VCC1
LNA2 BYP
LNA1 BYP
C8
10 nF
C9
1.0 pF
C7
10 pF
C6
10 nF
R2
2.4
k
Ω
VCC1
C5
10 pF
C4
10 nF
R1
1.1
k
Ω
VCC1
L1
27 nH
C2
10 pF
C1
10 nF
VCC1
C3
10 pF
50
Ωµstrip
50
Ωµstrip
J5
LNA1 IN
50
Ωµstrip
50
Ωµstrip
J4
LO IN
50
Ωµstrip
50
Ωµstrip
50
Ωµstrip
50
Ωµstrip
50
Ωµstrip
J3
IF OUT
50
Ωµstrip
50
Ωµstrip
50
Ωµstrip
50
Ωµstrip
J2
MIX IN
50
Ωµstrip
50
Ωµstrip
J1
LNA1 OUT
P1
1
2
3
CON3
P1-1
ENABLE
P1-2
LNA1 BYP
P1-3
LNA2 BYP
P2
1
2
3
CON3
P2-3
VCC1
P2-1
VCC2
GND
2469400-
500
Ω
C22
3.0 pF
L4
100 nH
C15
3pF
Typical Board Losses:
LNA1_OUT = 0.22 dB @ 2140 MHz
LNA1_IN = 0.23 dB @2140 MHz
MIX_IN = 0.21 dB @ 2140 MHz
IF_OUT = 0.03 dB @ 190 MHz
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